375 ‰Description
SPARK693L
Master alloy for the production of red 375 – 417 – 585 – 917 ‰ gold jewellery obtained by investment casting. The elements contained in this product ensure a high deoxidation in casting and a high surface quality, making it suitable for castings with and without stones in place. The use is suggested with the addition of 0 – 20 % of pure silver to the master alloy.
| 375 ‰ | 417 ‰ | 585 ‰ | 917 ‰ | |
| Hardness as cast | 108 HV | 108 HV | 140 HV | 97 HV |
| Density | 11.13 g/cm3 | 11.4 g/cm3 | 12.95 g/cm3 | 17.38 g/cm3 |
| Melting Range | Solidus: 846 °C Liquidus: 935 °C |
Solidus: 855 °C Liquidus: 926 °C |
Solidus: 840 °C Liquidus: 898 °C |
Solidus: 945 °C Liquidus: 960 °C |
